setup: Correct license classifier
setup: Correct license classifier

kmee/PySPED,aricaldeira/PySPED,renatonlima/PySPED,renatonlima/PySPED,Trust-Code/PySPED,rodrigoasmacedo/PySPED,thiagopena/PySPED,rodrigoasmacedo/PySPED,Trust-Code/PySPED,thinkopensolutions/PySPED,odoo-brazil/PySPED,thiagopena/PySPED,kmee/PySPED,thinkopensolutions/PySPED